Abstract
In order to relieve the damages of dry hot wind in late growth stage on wheat production in the Hebei low plain area,the chemical defensive measures of carring out 2 times of spraying treatments in early filling stage( May17th) and the middle filling stage( May 22nd) were studied. The spraying treatments were 0. 1% acetic acid,0. 1% fulvic acid solution, 0. 2% potassium dihydrogen phosphate solution, 1% urea + 0. 2% potassium dihydrogen phosphate solution,2% sucrose solution,0. 05% zinc sulfate solution, water,3. 5 mg / L indole acetic acid solution,CK was no spraying. The effects of d ifferent sprays on wheat grain filling process,the leaf SPAD value,yield and yield characters were analyzed in this study. The results showed that foliar spray treatmentsincreased the grain weight, grain number per ear and yield. The degree of wheat yield with different types foliar sprays were higher by 3. 96%- 18. 94%than CK, among of them, the yield increasing effect were very remarkable with spraying 0. 1%fulvic acid solution, 0. 1% acetic acid solution,1% urea + 0. 2% potassium dihydrogen phosphate solution, 0. 05% zinc sulfate solution and 2%sucrose solution. The grain filling process was described by Logistic model,and the coefficient ofdetermination was above 0. 99. Foliar spray prolonged the time of the first and the second inflection point of treatment and grain filling stage,which caused to increase the grain weight. The SPAD value of leaf at late grain filling stage was increased and leaf senescence was delayed after treatment with foliar spray, at the same time, the photosynthetic product, the yield and grain weight were increased. Therefore, the foliar sprays are an effective way to strengthen resistance ability to dry hot wind and increase wheat yield.
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Claims 15
Claim · model-written summary
Foliar sprays increased grain weight.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- foliar spray treatmentse0
- Outcome
- grain weighte0
- Direction
- increasede0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar spray treatmentsincreased the grain weight, grain number per ear and yield”
e1“CK was no spraying”
t0“Wheat”
Claim · model-written summary
Foliar sprays increased grain number per ear.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- foliar spray treatmentse0
- Outcome
- grain number per eare0
- Direction
- increasede0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar spray treatmentsincreased the grain weight, grain number per ear and yield”
e1“CK was no spraying”
t0“Wheat”
Claim · model-written summary
Foliar sprays increased wheat yield by 3.96% to 18.94% versus no spray.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- different types foliar sprayse0
- Outcome
- wheat yielde0
- Direction
- highere0
- Value
- 3. 96%- 18. 94%e0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The degree of wheat yield with different types foliar sprays were higher by 3. 96%- 18. 94%than CK”
t0“Wheat”
Claim · model-written summary
Fulvic acid spray had a particularly strong yield increase.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- 0. 1%fulvic acid solutione0
- Outcome
- yield increasing effecte0
- Direction
- increasinge0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield increasing effect were very remarkable with spraying 0. 1%fulvic acid solution”
e1“CK was no spraying”
t0“Wheat”
Claim · model-written summary
Acetic acid spray had a particularly strong yield increase.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- 0. 1% acetic acid solutione0
- Outcome
- yield increasing effecte0
- Direction
- increasinge0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield increasing effect were very remarkable with spraying 0. 1%fulvic acid solution, 0. 1% acetic acid solution”
e1“CK was no spraying”
t0“Wheat”
Claim · model-written summary
Urea plus potassium dihydrogen phosphate spray had a particularly strong yield increase.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- 1% urea + 0. 2% potassium dihydrogen phosphate solutione0
- Outcome
- yield increasing effecte0
- Direction
- increasinge0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield increasing effect were very remarkable with spraying 0. 1%fulvic acid solution, 0. 1% acetic acid solution,1% urea + 0. 2% potassium dihydrogen phosphate solution”
e1“CK was no spraying”
t0“Wheat”
Claim · model-written summary
Zinc sulfate spray had a particularly strong yield increase.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- 0. 05% zinc sulfate solutione0
- Outcome
- yield increasing effecte0
- Direction
- increasinge0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield increasing effect were very remarkable with spraying 0. 1%fulvic acid solution, 0. 1% acetic acid solution,1% urea + 0. 2% potassium dihydrogen phosphate solution, 0. 05% zinc sulfate solution”
e1“CK was no spraying”
t0“Wheat”
Claim · model-written summary
Sucrose spray had a particularly strong yield increase.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- 2%sucrose solutione0
- Outcome
- yield increasing effecte0
- Direction
- increasinge0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield increasing effect were very remarkable with spraying 0. 1%fulvic acid solution, 0. 1% acetic acid solution,1% urea + 0. 2% potassium dihydrogen phosphate solution, 0. 05% zinc sulfate solution and 2%sucrose solution”
e1“CK was no spraying”
t0“Wheat”
Claim · model-written summary
The Logistic model fit grain filling with a determination coefficient above 0.99.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- coefficient ofdeterminatione0
- Value
- 0. 99e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The grain filling process was described by Logistic model,and the coefficient ofdetermination was above 0. 99”
t0“Wheat”
Claim · model-written summary
Foliar spraying prolonged the first inflection point.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Foliar spraye0
- Outcome
- time of the firste0
- Direction
- prolongede0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar spray prolonged the time of the first and the second inflection point of treatment and grain filling stage”
e1“CK was no spraying”
t0“Wheat”
Claim · model-written summary
Foliar spraying prolonged the second inflection point and grain filling stage.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Foliar spraye0
- Outcome
- second inflection point of treatment and grain filling stagee0
- Direction
- prolongede0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar spray prolonged the time of the first and the second inflection point of treatment and grain filling stage”
e1“CK was no spraying”
t0“Wheat”
Claim · model-written summary
Foliar spraying increased late grain filling leaf SPAD value.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- foliar spraye1
- Outcome
- SPAD value of leaf at late grain filling stagee0
- Direction
- increasede0
- Comparator
- CKe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The SPAD value of leaf at late grain filling stage was increased”
e1“after treatment with foliar spray”
e2“CK was no spraying”
t0“Wheat”
Claim · model-written summary
Foliar spraying delayed leaf senescence.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- foliar spraye0
- Outcome
- leaf senescencee0
- Direction
- delayede0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf senescence was delayed after treatment with foliar spray”
e1“CK was no spraying”
t0“Wheat”
Claim · model-written summary
Foliar spraying increased photosynthetic product.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- foliar spraye1
- Outcome
- photosynthetic producte0
- Direction
- increasede0
- Comparator
- CKe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the photosynthetic product, the yield and grain weight were increased”
e1“after treatment with foliar spray”
e2“CK was no spraying”
t0“Wheat”
Claim · model-written summary
The authors recommend foliar spraying to improve resistance to dry hot wind and wheat yield.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- strengthen resistance ability to dry hot wind and increase wheat yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the foliar sprays are an effective way to strengthen resistance ability to dry hot wind and increase wheat yield”
t0“Wheat”
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See all 877 papers →8 of 9 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.